Suppose that it is known that 2% of the items produced by a particular machine are defective in some way, and that we will choose a random sample of exactly 15 parts made by this machine. a. What proportion of this machine's output is non-defective? b. What is the expected number of non-defective items, out of the 15 we select? c. What is the probability that exactly 14 of the 15 items is non-defective, GIVEN THAT more than 13 are non-defective?

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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Suppose that it is known that 2% of the items produced by a particular machine are
defective in some way, and that we will choose a random sample of exactly 15 parts
made by this machine.
a. What proportion of this machine's output is non-defective?
b. What is the expected number of non-defective items, out of the 15 we select?
c. What is the probability that exactly 14 of the 15 items is non-defective, GIVEN
THAT more than 13 are non-defective?
Transcribed Image Text:Suppose that it is known that 2% of the items produced by a particular machine are defective in some way, and that we will choose a random sample of exactly 15 parts made by this machine. a. What proportion of this machine's output is non-defective? b. What is the expected number of non-defective items, out of the 15 we select? c. What is the probability that exactly 14 of the 15 items is non-defective, GIVEN THAT more than 13 are non-defective?
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